81472875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19751}}^1$

素因数の和:19780

約数の個数: 32

約数和(自身を含む): 147902976

約数和(自身を除く): 66430101

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 19751, 59253, 98755, 217261, 296265, 493775, 651783, 1086305, 1481325, 2468875, 3258915, 5431525, 7406625, 16294575, 27157625, 81472875]

約数ペア:

[(1, 81472875), (3, 27157625), (5, 16294575), (11, 7406625), (15, 5431525), (25, 3258915), (33, 2468875), (55, 1481325), (75, 1086305), (125, 651783), (165, 493775), (275, 296265), (375, 217261), (825, 98755), (1375, 59253), (4125, 19751)]